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Authentication and access control

2022-04-22 02:35:00 【Yuxuan won't be bald】

static password (password）
Password based authentication is a common technology .
Users first register their user name and login password in the system . The system stores the user name and password internally . In the database , This password is generally valid for a long time , Therefore, it is also called static password .
Identity authentication technology based on static password has been widely used because of its simplicity and low cost . But there are serious security problems in this way , Security depends only on passwords , Once the methotrexate leaks , Users may be counterfeited .
One-time password (one time password)
In order to overcome various security risks caused by static password , Dynamic password authentication has gradually become the mainstream technology of password authentication .
The user's password is different every time he logs in to the system , have “ One secret at a time ” Characteristics , Effectively ensure the security of user identity .
Payment at bank 、 Online bank transfer 、 Static passwords are generally used in transactions + Dynamic password combination for authentication , This double guarantee can greatly improve the safety of use .
What biological characteristics can you prove ？

Identity Authentication ———— The system confirms the identity of the visitor
Access control model

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